/****************************************************************************
**
** Copyright (C) 2018 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
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** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
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****************************************************************************/

#pragma once

#include "compileroptionsbuilder.h"
#include "projectpart.h"

namespace CppTools {
class CPPTOOLS_EXPORT HeaderPathFilter
{
public:
    HeaderPathFilter(const ProjectPart &projectPart,
                     UseTweakedHeaderPaths useTweakedHeaderPaths = UseTweakedHeaderPaths::Yes,
                     const QString &clangVersion = {},
                     const QString &clangIncludeDirectory = {},
                     const QString &projectDirectory = {},
                     const QString &buildDirectory = {})
        : projectPart{projectPart}
        , clangVersion{clangVersion}
        , clangFallbackIncludeDirectory{clangIncludeDirectory}
        , projectDirectory(ensurePathWithSlashEnding(projectDirectory))
        , buildDirectory(ensurePathWithSlashEnding(buildDirectory))
        , useTweakedHeaderPaths{useTweakedHeaderPaths}
    {}

    void process();

private:
    void filterHeaderPath(const ProjectExplorer::HeaderPath &headerPath);

    void tweakHeaderPaths();

    void addPreIncludesPath();

    bool isProjectHeaderPath(const QString &path) const;

    void removeGccInternalIncludePaths();

    static QString ensurePathWithSlashEnding(const QString &path);

public:
    ProjectExplorer::HeaderPaths builtInHeaderPaths;
    ProjectExplorer::HeaderPaths systemHeaderPaths;
    ProjectExplorer::HeaderPaths userHeaderPaths;
    const ProjectPart &projectPart;
    const QString clangVersion;
    const QString clangFallbackIncludeDirectory;
    const QString projectDirectory;
    const QString buildDirectory;
    const UseTweakedHeaderPaths useTweakedHeaderPaths;
};

} // namespace CppTools